|Res.|Record|Opponent|Method|Event|Date|Round|Time|Location|Notes|
|---|---|---|---|---|---|---|---|---|---|
|Loss|5–3|Alistair Overeem|TKO (kick to the body & punches)|UFC 141|December 30, 2011|1|2:26|Las Vegas, United States|Announced retirement after fight|
|Loss|5–2|Cain Velasquez|TKO (punches)|UFC 121|October 23, 2010|1|4:12|Anaheim, California, United States|Lost UFC Heavyweight Championship|
|Win|5–1|Shane Carwin|Submission (arm triangle choke)|UFC 116|July 3, 2010|2|2:19|Las Vegas, United States|Defended UFC Heavyweight Championship. Unified UFC Interim Heavyweight Championship; Submission of the Night|
|Win|4–1|Frank Mir|TKO (punches)|UFC 100|July 11, 2009|2|1:48|Las Vegas, United States|Defended UFC Heavyweight Championship. Unified UFC Interim Heavyweight Championship|
|Win|3–1|Randy Couture|TKO (punches)|UFC 91|November 15, 2008|2|3:07|Las Vegas, United States|Won UFC Heavyweight Championship.|
|Win|2–1|Heath Herring|Decision (unanimous)|UFC 87|August 9, 2008|3|5:00|Minneapolis, Minnesota, United States||
|Loss|1–1|Frank Mir|Submission (kneebar)|UFC 81|February 2, 2008|1|1:30|Las Vegas, United States|UFC Debut|
|Win|1–0|Min-Soo Kim|Submission (punches)|Dynamite!! USA|June 2, 2007|1|1:09|Los Angeles, United States|MMA Debut|

Question: how many fights lasted at least 2 rounds?
Answer: 4